Home / 1,397,455.29-2,096,183.42-437,985.34

Finding the Fourth Proportional to 1,397,455.29, 2,096,183.42 and 437,985.34

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Solution

The fourth proportional to 1,397,455.29, 2,096,183.42 and 437,985.34 is: 656,978.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,455.29 : 2,096,183.42 = 437,985.34 : x
  2. Step 2: Convert to fraction form
    1,397,455.29/2,096,183.42 = 437,985.34/x
  3. Step 3: Cross multiply
    1,397,455.29x = 2,096,183.42 × 437,985.34
  4. Step 4: Simplify right side
    1,397,455.29x = 918,097,600,480.68
  5. Step 5: Solve for x
    x = 918,097,600,480.68/1,397,455.29
  6. Step 6: Final answer
    x = 656,978.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.